Package org.apache.sedona.core.spatialPartitioning

Class GenericUniquePartitioner

java.lang.Object

org.apache.spark.Partitioner

org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

org.apache.sedona.core.spatialPartitioning.GenericUniquePartitioner

All Implemented Interfaces:

Serializable, scala.Serializable

public class GenericUniquePartitioner
extends SpatialPartitioner

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

grids, gridType

Constructor Summary

Constructors

Constructor	Description
GenericUniquePartitioner(SpatialPartitioner parent)

Method Summary

Modifier and Type	Method	Description
DedupParams	getDedupParams()
List<org.locationtech.jts.geom.Envelope>	getGrids()
GridType	getGridType()
int	numPartitions()
Iterator<scala.Tuple2<Integer,org.locationtech.jts.geom.Geometry>>	placeObject(org.locationtech.jts.geom.Geometry spatialObject)	Given a geometry, returns a list of partitions it overlaps.

Methods inherited from class org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

getPartition

Methods inherited from class org.apache.spark.Partitioner

defaultPartitioner

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenericUniquePartitioner

public GenericUniquePartitioner(SpatialPartitioner parent)

Method Detail

getGridType

public GridType getGridType()

Overrides:

getGridType in class SpatialPartitioner

getGrids

public List<org.locationtech.jts.geom.Envelope> getGrids()

Overrides:

getGrids in class SpatialPartitioner

placeObject

public Iterator<scala.Tuple2<Integer,org.locationtech.jts.geom.Geometry>> placeObject(org.locationtech.jts.geom.Geometry spatialObject)
                                                                                     throws Exception

Description copied from class: SpatialPartitioner

Given a geometry, returns a list of partitions it overlaps.

For points, returns exactly one partition as long as grid type is non-overlapping. For other geometry types or for overlapping grid types, may return multiple partitions.

Specified by:

placeObject in class SpatialPartitioner

Throws:

Exception

getDedupParams

@Nullable
public DedupParams getDedupParams()

Specified by:

getDedupParams in class SpatialPartitioner

numPartitions

public int numPartitions()

Specified by:

numPartitions in class org.apache.spark.Partitioner